import VueRouter from "vue-router"
import About from "@/pages/About";
import Home from "@/pages/Home";
import News from "@/pages/News";
import Message from "@/pages/Message";
import Detail from "@/pages/Detail";


const router = new VueRouter({
    routes: [
        {
            name: 'guanyu',
            path: '/about',
            component: About
        },
        {
            name: 'zhuye',
            path: '/home',
            component: Home,
            children: [
                {
                    name: 'xinwen',
                    path: 'news',
                    component: News
                },
                {
                    name: 'xiaoxi',
                    path: 'message',
                    component: Message,
                    children: [
                        {
                            name: 'xiangqing',
                            path: 'detail',
                            component: Detail,
                            //props的第一种写法，值为对象，该对象中的所有key-value都会以props的形式传给Detail组件
                            // props:{a:1,b:'hello'}

                            //props的第二种写法，值为布尔值。若布尔值为真，就会把该路由组件收到的所有params参数，以props的形式传给Detail组件
                            // props:true

                            //props的第三种写法，值为函数
                            props($route) {
                                return {
                                    id: $route.query.id,
                                    title: $route.query.title
                                }
                            }
                        }
                    ]
                }
            ]
        }
    ]
})

//全局前置路由守卫——初始化的时候被调用、每次路由切换之前被调用
router.beforeEach((to, from, next) => {
    console.log(to, from)
    // if (to.path === '/home/news' || to.path === '/home/message') {
    if (to.name === 'xinwen' || to.name === 'xiaoxi') {
        if (localStorage.getItem('school') === 'atguigu') {
            next()
        } else {
            alert('学校名不对，无权限查看！')
        }
    } else {
        next()
    }

})
export default router